21196072

素因数分解:

$2^3\times {\mathrm{1481}}^1\times {\mathrm{1789}}^1$

素因数の和:3276

約数の個数: 16

約数和(自身を含む): 39791700

約数和(自身を除く): 18595628

約数列:

[1, 2, 4, 8, 1481, 1789, 2962, 3578, 5924, 7156, 11848, 14312, 2649509, 5299018, 10598036, 21196072]

約数ペア:

[(1, 21196072), (2, 10598036), (4, 5299018), (8, 2649509), (1481, 14312), (1789, 11848), (2962, 7156), (3578, 5924)]